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53122 (1999 AS22)
Classification: Main-belt Asteroid          SPK-ID: 2053122
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05775339007308494 6.2406e-08  
a 2.690219557276926 2.6304e-08 au
q 2.53485025780327 1.6884e-07 au
i 16.09847069615362 7.1758e-06 deg
node 67.27700257396874 2.5971e-05 deg
peri 227.1408307129994 7.4987e-05 deg
M 200.6994496189639 6.998e-05 deg
tp 2458313.672832334161
(2018-Jul-14.17283233)
0.00031212 JED
period 1611.684448209299
4.41
2.3638e-05
6.472e-08
d
yr
n .2233687868614645 3.276e-09 deg/d
Q 2.845588856750582 2.7823e-08 au
  Orbit Determination Parameters
   # obs. used (total)      514  
   data-arc span      8961 days (24.53 yr)  
   first obs. used      1991-06-07  
   last obs. used      2015-12-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58731  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 15:11:46  

Additional Information
 Earth MOID = 1.54026 au 
 Jupiter MOID = 2.25054 au 
 T_jup = 3.314 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.7 mag n/a MPO309555  
rotation period rot_per 2.9103 h n/a LCDB (Rev. 2016-February); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2016) Astron. J. 150, A75.]

53122 (1999 AS22)          Discovered 1999-Jan-14 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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